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Public contracts of Nantes Métropole · 2026

Travaux de rénovation du Grand Auditorium, de la Grande Halle et de la Galerie de Liaison à la Cité des Congrès de Nantes Mapa

Bardage métallique et pierre · Nettoyage de bardage

€352k
maximum contract amount over 22 months — what was paid on it is not published
Signed on 4 March 2026 · running until about January 2028 · 22 months
Ongoing3 Jan 2028

That is at most ~€192k a year on average: a maximum too.

Who won it

Entreprise BalletTravaux de maçonnerie générale et gros œuvre de bâtiment · registered office Carquefou (44470) · headcount 20 to 49 employees · SIREN 855801106

The competition

1 bid received

Median for this procedure in 2026: 3 bids, across 20741 comparable contracts. Simplified procedure · awarded to 1 company

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 131 by amount of the 311 contracts Nantes Métropole published for 2026.

Other contracts of Entreprise Ballet in Nantes Métropole

Travaux de rénovation du Grand Auditorium, de la Grande Halle…2026 · maximum over 22 months410€kTravaux de création d’un contrôle d’accès billettique, modernisation et2022 · maximum over 2.5 years385€kStade de la Beaujoire2021 · maximum over 2.5 years335€k
Contract details (procedure, price, amendments, lots)

Procedure : Adapted procedure: the lighter procedure allowed under the EU thresholds

Price : Forfaitaire

Published amendments : none

Subcontracting declared : yes

Environmental considerations : Critère environnemental

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.

Travaux de rénovation du Grand Auditorium, de la Grande Halle et de…: up to €352k over 22 months, Nantes Métropole 2026 · Qipu